Finding the Fourth Proportional to 852,871.68, 1,279,302.36 and 213,172.21
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Solution
The fourth proportional to 852,871.68, 1,279,302.36 and 213,172.21 is: 319,757.02
Step by Step Solution
- Step 1: Write the proportion equation
852,871.68 : 1,279,302.36 = 213,172.21 : x - Step 2: Convert to fraction form
852,871.68/1,279,302.36 = 213,172.21/x - Step 3: Cross multiply
852,871.68x = 1,279,302.36 × 213,172.21 - Step 4: Simplify right side
852,871.68x = 272,711,704,943.07 - Step 5: Solve for x
x = 272,711,704,943.07/852,871.68 - Step 6: Final answer
x = 319,757.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.